/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *  http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.gravitino.spark.connector.integration.test.sql;

import java.util.Locale;

public enum CatalogType {
  HIVE,
  ICEBERG,
  UNKNOWN;

  public static CatalogType fromString(String str) {
    if (str == null) {
      return UNKNOWN;
    }
    switch (str.toLowerCase(Locale.ROOT)) {
      case "hive":
        return HIVE;
      case "lakehouse-iceberg":
        return ICEBERG;
      default:
        return UNKNOWN;
    }
  }

  // The first non-unknown CatalogType from parent to child determines the catalog type.
  public static CatalogType merge(CatalogType parentCatalogType, CatalogType childCatalogType) {
    return parentCatalogType.equals(UNKNOWN) ? childCatalogType : parentCatalogType;
  }
}
